Hunsfos Fabrikker is a paper

Pulp and paper industry

The global pulp and paper industry is dominated by North American , northern European and East Asian countries...

 factory and former company in Vennesla

Vennesla

Vennesla is a municipality in Vest-Agder county, Norway. Vennesla was separated from Øvrebø in 1861. Øvrebø and Hægeland were merged with Vennesla again on 1 January 1964...

.

It was founded in 1886 as a takeover of the facilities of Otterelvens Papirfabrik, founded 1873 but later liquidated. It has harnessed the hydropower in the river Otra

Otra

The Otra river is the largest river in the Sørlandet region of Norway. It flows from the Setesdalsheiene mountains in Bykle municipality in Aust-Agder county in the north, down to the municipality of Kristiansand in the south, where it flows into the Skagerrak.The Otra is long, making it Norway’s...

, and in 1926 it established a power plant at the waterfall Hunsfossen. It produces paper, mostly for the export market, by buying cellulose

Cellulose

Cellulose is an organic compound with the formula , a polysaccharide consisting of a linear chain of several hundred to over ten thousand β linked D-glucose units....

 and pulp

Pulp (paper)

Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fibre crops or waste paper. Wood pulp is the most common raw material in papermaking.-History:...

 from elsewhere. It owned the company Norsk Wallboard from 1989 to 1997, and was sold to Cham-Tenero Paper Mills in 1999, whereby it was delisted from Oslo Stock Exchange.